Driving support system

• US 8,346,436 B2
• Filed: 09/21/2011
• Issued: 01/01/2013
• Est. Priority Date: 09/27/2007
• Status: Active Grant

• Current Assignee: Hitachi Astemo Ltd. (Hitachi, Ltd.)
• Original Assignee: Hitachi, Ltd.
• Inventors: Yokoyama, Atsushi, Saito, Shinjiro, Arai, Masatsugu, Yoshida, Tatsuya
• Primary Examiner(s): Tarcza, Thomas
• Assistant Examiner(s): TISSOT, ADAM D
• Application Number:
  US13/239,073
• Publication Number:
  US 20120010808A1
• Time in Patent Office: 468 Days
• Field of Search: 701/23, 701/44, 701/117, 701/208, 701/301, 701/28, 701/41, 701/116, 701/124, 701/519, 180/168, 180/169, 180436-440, 340436-440, 340168-169
• US Class Current: 701/41
• CPC Class Codes: B62D 15/025 Active steering aids, e.g. helping the driver by actively influencing the steering system after environment evaluation B62D1/28 takes precedence
• CPC Class Codes: B62D 15/0265 Automatic obstacle avoidance by steering
• CPC Class Codes: G08G 1/165 for passive traffic, e.g. including static obstacles, trees
• CPC Class Codes: G08G 1/166 for active traffic, e.g. moving vehicles, pedestrians, bikes
• CPC Class Codes: G08G 1/167 Driving aids for lane monitoring, lane changing, e.g. blind spot detection

Abstract

A driving support system includes a lane detecting unit for detecting lanes around a vehicle, a route correcting unit for correcting a route along which the vehicle is expected to travel taking into consideration an obstacle on the route after the route has been recognized by lanes detected by the lane detecting unit, and a control unit for controlling the vehicle on the basis of the positional relation between the corrected route determined by the route correcting unit and the vehicle.

Claims

1. A driving support system comprising:

at least one camera for detecting lanes around a vehicle;

an obstacle detecting unit for detecting an obstacle obstructing progress of the vehicle;

a control device configured to correct guide lines, based on the obstacle obstructing progress of the vehicle, after the guide lines, which guide progression of the vehicle, have been recognized by the lane detecting unit, guide control the vehicle on the basis of a positional relation between the corrected guide lines determined by the correcting unit and the vehicle, and, when it is decided that the vehicle changes its route from a present lane, in which the vehicle is traveling at present, to another lane, and when an obstacle is detected on the other lane, set contact avoidance lines to avoid contact with the obstacle on the other lane from a traveling position of the present lane, correct the guide lines again so that the guide lines become inside of the contact avoidance lines, and set a control gain so that an increase in incline of yawing moment is greater at locations outside of the contact avoidance lines than at locations inside of the contact avoidance lines and outside of the guide lines.

2. The driving support system according to claim 1, wherein the at least one camera forms images of matters around the vehicle and recognizes lanes by images of lane markings or road boundaries formed by the at least one camera.